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Birding Dongfang and Dongzhai on Hainan

10,000 Birds

The HBW reports that until recently several subspecies were commonly recognized, notably brevipes , ocularis , micronesiae , minima , leucophrys , meeki and tannensis , but that the differences are slight and the species is now treated as monotypic.

Branding 178
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Purple Swamphen: Supertramp or superspecies?

10,000 Birds

It varies in appearance across its enormous range, and a new genetic study — Dispersal and speciation in purple swamphens (Rallidae: Porphyrio) — bolsters the case that this “supertramp” is actually a superspecies that could be split into six different species. Above: Swamphen in Australia by James Niland).

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Clearing up the Collared Kingfishers

10,000 Birds

All the way back in 2011 I wrote about the confusing taxanomic enigma that is the Collared Kingfisher , a species that ranges from the Red Sea to Tonga in a bewildering variety of forms. I’m happy to report that an analysis of the species and some relatives has found that, as suspected, it isn’t a single species.

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Confusing Collared Kingfishers

10,000 Birds

The world of birding is filled with challenging groups well known to all, birds like gulls , Empidonax flycatchers or cisticolas that require attention to the tiniest details in order to assign an individual to a specific species (if it can be done at all). Above we have an example of the species. Subspecies humii , Thailand.

Samoa 167